Home / 7,869.20-11,790.18-5,524.76

Finding the Fourth Proportional to 7,869.20, 11,790.18 and 5,524.76

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Solution

The fourth proportional to 7,869.20, 11,790.18 and 5,524.76 is: 8,277.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869.20 : 11,790.18 = 5,524.76 : x
  2. Step 2: Convert to fraction form
    7,869.20/11,790.18 = 5,524.76/x
  3. Step 3: Cross multiply
    7,869.20x = 11,790.18 × 5,524.76
  4. Step 4: Simplify right side
    7,869.20x = 65,137,828.28
  5. Step 5: Solve for x
    x = 65,137,828.28/7,869.20
  6. Step 6: Final answer
    x = 8,277.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.